Elsevier

Ophthalmology

Volume 118, Issue 1, January 2011, Pages 142-149
Ophthalmology

Original article
Vitreoretinal Surgery for Severe Retinal Capillary Hemangiomas in Von Hippel–Lindau Disease

https://doi.org/10.1016/j.ophtha.2010.04.031Get rights and content

Purpose

To evaluate the long-term success rate of vitreoretinal surgery for severe cases of retinal capillary hemangiomas (RCHs) caused by von Hippel–Lindau (VHL) disease.

Design

Retrospective case series.

Participants

Twenty-three eyes of 21 patients with severe exudative or tractional retinal detachment caused by RCH, who had undergone vitreoretinal surgery. Patients' age at initial surgery ranged from 12 to 47 years (median, 27 years), and the fellow eye was already blind in 6 of 21 patients.

Interventions

All eyes underwent pars plana vitrectomy with posterior hyaloid detachment epiretinal membrane dissection and silicone oil or gas injection. In 9 eyes, retinectomy was performed to remove the RCH (group R). In the other 14 eyes, the RCH was treated by laser endophotocoagulation alone or combined with transscleral cryotherapy (group L).

Main Outcome Measures

Visual acuity (preoperative, 6 and 18 months postoperatively), rate of RCH recurrence, and postoperative complications.

Results

In group R, an average of 2 operations per patient was needed. Six months after surgery, the retina was flat in 8 eyes. Mean follow-up was 8 years. Long-term complications included RCH reproliferation and neovascular glaucoma in 4 eyes, 4 to 8 years after initial surgery. In the remaining 5 eyes, visual acuity ranged from 20/320 to counting fingers 18 months postoperatively. In group L, an average of 1.7 operations was needed. Six months after surgery, the retina was flat in 13 of 14 eyes. Mean follow-up was 4 years. New RCH occurred in 10 eyes and required laser treatment. In the long term, 1 eye became blind after 5 years because of aggressive RCH reproliferation and neovascular glaucoma, and 2 eyes became blind after 10 years because of exudative retinal detachment. In the 11 remaining eyes, visual acuity ranged from 20/320 to 20/20 (median: 20/50) 18 months postoperatively.

Conclusions

Vitreoretinal surgery is an effective treatment for severe VHL retinal hemangiomas. Large RCHs were satisfactorily treated by (1) vitrectomy with epiretinal dissection and endolaser photocoagulation or (2) retinectomy for RCH resection, although a high rate of vision-threatening RCH recurrence was observed in the long term. However in most cases, surgery improved or prolonged visual function in these eyes.

Financial Disclosure(s)

The author(s) have no proprietary or commercial interest in any materials discussed in this article.

Section snippets

Materials and Methods

The present work is a retrospective review of the case notes for 21 patients (23 eyes) presenting with VHL disease, operated on for complicated RCH between 1991 and 2008. This case series was part of a cohort of 110 patients with VHL who were followed up in the French VHL reference center and in a reference center for rare retinal vascular diseases. Institutional review board/ethics committee approval was not required for this retrospective study. The 21 patients comprised 9 men and 12 women,

Ocular Status at Presentation

In 22 of 23 eyes, the RCHs were too large or thick to be successfully treated by laser or cryotherapy alone. In 8 eyes, the RCHs failed to respond to one or both of these treatments; 21 eyes exhibited exudative and tractional macular detachment, 11 eyes exhibited peripheral exudative and tractional retinal detachment, 1 eye exhibited rhegmatogenous retinal detachment, and 12 eyes exhibited a combination of these conditions.

Group R, 9 Eyes, Postoperative Course

The mean follow-up period after the initial surgery was 96 months

Discussion

Although it was hoped that better understanding of the major role played by the VHL protein in angiomatous proliferation of VHL disease would enable anti-angiogenic treatments to promote RCH regression,20, 21 these treatments have not thus far proved able to induce such regression. The standard treatment of small- and medium-sized RCH (up to 2 disk diameters) therefore remains laser photocoagulation or cryotherapy. However, there are cases in which laser and cryotherapy are ineffective or

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    Manuscript no. 2009-1602.

    Financial Disclosure(s): The author(s) have no proprietary or commercial interest in any materials discussed in this article.

    Supported in part by the Institut National du Cancer and the Ligue Nationale contre le Cancer (France). The funding organizations had no role in the design or conduct of this research.

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